Date: Fri, 24 Aug 2018 15:26:44 -0700 From: Matthew Macy <mmacy@freebsd.org> To: Shawn Webb <shawn.webb@hardenedbsd.org> Cc: freebsd-current@freebsd.org Subject: Re: ifnet use after free Message-ID: <CAPrugNqiX5udzOchu=yBAEEqnkK-LAZZhTW4poen13Gguc1Xng@mail.gmail.com> In-Reply-To: <20180824221955.7hkftov25otk6bjc@mutt-hbsd> References: <20180824221955.7hkftov25otk6bjc@mutt-hbsd>
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On Fri, Aug 24, 2018 at 15:25 Shawn Webb <shawn.webb@hardenedbsd.org> wrote= : > Hey All, > > Somewhere in the last month or so, a use after free was introduced. I > don't have the time right now to bisect the commits and figure out > which commit introduced the breakage. Attached is the core.txt (which > seems nonsensical because the dump is reporting on a different > thread). If the core.txt gets scrubbed, I've posted it here: > https://gist.github.com/796ea88cec19a1fd2a85f4913482286a > Do you have any guidance on how to reproduce? The hardenedbsd rev isn=E2=80= =99t useful - the svn commit that it=E2=80=99s based against is what is needed. Thanks. -M > I'm running HardenedBSD 12-CURRENT/amd64, commit 6091fec317a. > > FreeBSD hbsd-dev-laptop 12.0-ALPHA2 FreeBSD 12.0-ALPHA2 #4 > 6091fec317a(hardened/current/master)-dirty: Thu Aug 23 18:37:45 EDT > 2018 > shawn@hbsd-dev-laptop:/usr/obj/usr/src/amd64.amd64/sys/LATT-SEC amd64 > > Thanks, > > -- > Shawn Webb > Cofounder and Security Engineer > HardenedBSD > > Tor-ified Signal: +1 443-546-8752 > Tor+XMPP+OTR: lattera@is.a.hacker.sx > GPG Key ID: 0x6A84658F52456EEE > GPG Key Fingerprint: 2ABA B6BD EF6A F486 BE89 3D9E 6A84 658F 5245 6EEE >
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